import axios from 'axios';
import { Message } from 'element-ui';
import Vue from 'vue';
import router from '../router';

Vue.prototype.axios = axios;

/*请求拦截器 */
axios.interceptors.request.use( config => {
    if( window.sessionStorage.getItem('tokenStr')){
        config.headers['Authorization'] = window.sessionStorage.getItem('tokenStr');
    }
    return config;
},error => {
    console.log(error);
})

/*响应拦截器*/
axios.interceptors.response.use( success => {
    //判断业务逻辑错误
    if( success.status && success.status == 200){
        
        if( success.data.code == 500){
            Message.error({message: success.data.message});
            return;
        }
        if(success.data.code == 401){
            Message.error({message: success.data.message});
            router.replace("/401");
            return;
        }
        if(success.data.code == 403){
            Message.error({message: success.data.message});
            router.replace("/403");
            return;
        }
        if( success.data.message){
            Message.success({message: success.data.message});
        }
    }
    return success.data;
} , error => {
    if( error.response.code == 504 || error.response.code == 404){
        Message.error({message: '服务器挂了o(╥﹏╥)o'});
    }else if( error.response.code == 403){
        Message.error({message: '权限不足，请联系管理员！'});
        router.replace("/403");
    }else if( error.response.code == 401){
        Message.error({message: '尚未登录，请登录！'});
        //跳转登录页面
        router.replace("/");
    }else{
        if( error.response.data.message){
            Message.error({message: error.response.data.message});
        }else{
            Message.error({message: "未知错误！"});

        }
        router.replace("/404");
    }
})

let base = '';

//封装请求 
//传送json格式的post请求
export const postRequest  = (url,params) => {
    return axios({
        method: 'post',
        url: `${base}${url}`,
        data: params
    })
}

//传递json的put请求
export const putRequest = (url,params) => {
    return axios({
        method: 'put',
        url: `${base}${url}`,
        data: params
    })
}

//传递json的get请求
export const getRequest = (url, params) => {
    return axios({
      method: 'get',
      url: `${base}${url}`,
      params: params
    })
}

//传递json的delete请求
export const deleteRequest = (url, params) => {
    return axios({
      method: 'delete',
      url: `${base}${url}`,
      data: params
    })
}